Embassy Threats Grow in Mideast

By

Siobhan Gorman

May 17, 2013 7:03 p.m. ET

WASHINGTON—The U.S. is seeing a spike in al Qaeda-related terror plots and threats against its embassies in Libya, Yemen and Egypt, say current and former U.S. officials citing domestic and foreign intelligence reports.

The threats against U.S. missions in Tripoli and Yemen's capital, Sana'a, are believed to involve bomb plots by Sunni extremists and perhaps al Qaeda-linked individuals, and have set off alarms among U.S. officials...